| Name | DINGBAT NEGATIVE CIRCLED DIGIT ONE INVERSE CIRCLED DIGIT ONE |
| Unicode Version | 1.1 |
| Block（ブロック） | Dingbats（装飾記号） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | ❶ ❶ |
| UTF-8 Encoding | ❶ e29db6 |
| UTF-16 Encoding | ❶ 2776 |
| UTF-32 Encoding | ❶ 00002776 |